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Shares Repurchased Under Stock Repurchase Plan (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		4 Months Ended	12 Months Ended
	Jan. 03, 2015	Oct. 04, 2014	Apr. 19, 2014	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Class of Stock [Line Items]
Total Number of Shares Purchased	1,000,000us-gaap_TreasuryStockSharesAcquired	550,000us-gaap_TreasuryStockSharesAcquired	464,610us-gaap_TreasuryStockSharesAcquired	2,014,610us-gaap_TreasuryStockSharesAcquired
Total Cost of Shares Purchased	$ 19,124us-gaap_TreasuryStockValueAcquiredCostMethod	$ 10,332us-gaap_TreasuryStockValueAcquiredCostMethod	$ 9,460us-gaap_TreasuryStockValueAcquiredCostMethod	$ 38,916us-gaap_TreasuryStockValueAcquiredCostMethod	$ 8,819us-gaap_TreasuryStockValueAcquiredCostMethod	$ 18,726us-gaap_TreasuryStockValueAcquiredCostMethod

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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